To provide a rubber compounding ingredient containing an organosilicon compound, which can be added to a rubber composition, enabling the rubber composition to achieve desired fuel economy and abrasion resistance while maintaining processability of the composition as well as hardness and tensile properties of its cured product.SOLUTION: A rubber compounding ingredient contains (A) a compound having a blocked isocyanate group and a hydrolyzable silyl group, such as an organosilicon compound represented by the following formula (1) where R1 is each independently an alkyl group having 1 to 8 carbon atoms, L is a divalent linking group, X is -O- or -NR2-, Z is a hydrogen atom or a monovalent organic group, R2 is a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or a group capable of bonding to Z to form a ring structure, and m is an integer of 1 to 3.SELECTED DRAWING: None
【課題】ゴム組成物に添加した場合に、組成物の加工性やその硬化物の硬度、引張特性を維持したまま、所望の低燃費性能、耐摩耗性能を実現し得るゴム組成物を与える有機ケイ素化合物を含むゴム用配合剤を提供すること。【解決手段】例えば、下記式(1)で表される有機ケイ素化合物のような、(A)ブロック化イソシアネート基および加水分解性シリル基を有する化合物を含有するゴム用配合剤。TIFF2023045022000022.tif2170(式中、R1は、それぞれ独立して、炭素原子数1~8のアルキル基を表し、Lは、2価の連結基を表し、Xは、-O-または-NR2-を表し、Zは、水素原子または1価の有機基を表し、R2は、水素原子、炭素原子数1~8のアルキル基またはZと結合して環構造を形成することが可能な基を表し、mは、1~3の整数を表す。)【選択図】なし
RUBBER COMPOUNDING INGREDIENT AND RUBBER COMPOSITION
ゴム用配合剤およびゴム組成物
2023-04-03
Patent
Elektronische Ressource
Japanisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C07F Acyclische, carbocyclische oder heterocyclische Verbindungen, die andere Elemente als Kohlenstoff, Wasserstoff, Halogen, Sauerstoff, Stickstoff, Schwefel, Selen oder Tellur enthalten , ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
Europäisches Patentamt | 2015
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|Europäisches Patentamt | 2016
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